Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Test A: All Power Windows Are Inoperative

PINPOINT TEST A: ALL POWER WINDOWS ARE INOPERATIVE


A1-A3:






A3:






Normal Operation
When turned to the RUN or ACCESSORY positions, the ignition switch sends battery voltage to the power window switches through circuit 170 (RD/LB). The LH front window control switch is grounded through circuit 57 (BK).

Possible Causes
- Circuit breaker
- LH front window control switch
- Circuitry